US7626655B2 - Surface light source device of side light type, liquid crystal display and guide plate - Google Patents
Surface light source device of side light type, liquid crystal display and guide plate Download PDFInfo
- Publication number
- US7626655B2 US7626655B2 US09/330,016 US33001699A US7626655B2 US 7626655 B2 US7626655 B2 US 7626655B2 US 33001699 A US33001699 A US 33001699A US 7626655 B2 US7626655 B2 US 7626655B2
- Authority
- US
- United States
- Prior art keywords
- face
- scattering elements
- light scattering
- emission
- light
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
- G02B6/0043—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided on the surface of the light guide
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
- G02B6/0053—Prismatic sheet or layer; Brightness enhancement element, sheet or layer
Abstract
Description
Claims (11)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP164493/1998 | 1998-06-12 | ||
JP16449398A JP3521058B2 (en) | 1998-06-12 | 1998-06-12 | Light guide plate, side light type surface light source device and liquid crystal display device |
Publications (2)
Publication Number | Publication Date |
---|---|
US20030231265A1 US20030231265A1 (en) | 2003-12-18 |
US7626655B2 true US7626655B2 (en) | 2009-12-01 |
Family
ID=15794217
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/330,016 Expired - Fee Related US7626655B2 (en) | 1998-06-12 | 1999-06-11 | Surface light source device of side light type, liquid crystal display and guide plate |
Country Status (4)
Country | Link |
---|---|
US (1) | US7626655B2 (en) |
JP (1) | JP3521058B2 (en) |
KR (1) | KR100495898B1 (en) |
TW (1) | TW432230B (en) |
Cited By (32)
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US20110085108A1 (en) * | 2008-06-09 | 2011-04-14 | Lms Co., Ltd | Optical device, and backlight unit and liquid crystal display including the same |
US20130235610A1 (en) * | 2012-03-08 | 2013-09-12 | Simplehuman, Llc | Vanity mirror |
US20140355302A1 (en) * | 2013-03-15 | 2014-12-04 | Cree, Inc. | Outdoor and/or Enclosed Structure LED Luminaire for General Illumination Applications, Such as Parking Lots and Structures |
US9291320B2 (en) | 2013-01-30 | 2016-03-22 | Cree, Inc. | Consolidated troffer |
US9366396B2 (en) | 2013-01-30 | 2016-06-14 | Cree, Inc. | Optical waveguide and lamp including same |
US9366799B2 (en) | 2013-03-15 | 2016-06-14 | Cree, Inc. | Optical waveguide bodies and luminaires utilizing same |
US9389367B2 (en) | 2013-01-30 | 2016-07-12 | Cree, Inc. | Optical waveguide and luminaire incorporating same |
US9442243B2 (en) | 2013-01-30 | 2016-09-13 | Cree, Inc. | Waveguide bodies including redirection features and methods of producing same |
US9625638B2 (en) | 2013-03-15 | 2017-04-18 | Cree, Inc. | Optical waveguide body |
USD785345S1 (en) | 2015-03-06 | 2017-05-02 | Simplehuman, Llc | Mirror |
US9645303B2 (en) | 2013-03-15 | 2017-05-09 | Cree, Inc. | Luminaires utilizing edge coupling |
US9690029B2 (en) | 2013-01-30 | 2017-06-27 | Cree, Inc. | Optical waveguides and luminaires incorporating same |
US9798072B2 (en) | 2013-03-15 | 2017-10-24 | Cree, Inc. | Optical element and method of forming an optical element |
US9869432B2 (en) | 2013-01-30 | 2018-01-16 | Cree, Inc. | Luminaires using waveguide bodies and optical elements |
US9920901B2 (en) | 2013-03-15 | 2018-03-20 | Cree, Inc. | LED lensing arrangement |
USD816350S1 (en) | 2017-03-17 | 2018-05-01 | Simplehuman, Llc | Vanity mirror |
US10076176B2 (en) | 2015-03-06 | 2018-09-18 | Simplehuman, Llc | Vanity mirror comprising light sources and methods of manufacture thereof |
US10209429B2 (en) | 2013-03-15 | 2019-02-19 | Cree, Inc. | Luminaire with selectable luminous intensity pattern |
USD846288S1 (en) | 2018-03-08 | 2019-04-23 | Simplehuman, Llc | Vanity mirror |
USD848158S1 (en) | 2017-12-28 | 2019-05-14 | Simplehuman, Llc | Vanity mirror |
US10416377B2 (en) | 2016-05-06 | 2019-09-17 | Cree, Inc. | Luminaire with controllable light emission |
US10436970B2 (en) | 2013-03-15 | 2019-10-08 | Ideal Industries Lighting Llc | Shaped optical waveguide bodies |
US10502899B2 (en) * | 2013-03-15 | 2019-12-10 | Ideal Industries Lighting Llc | Outdoor and/or enclosed structure LED luminaire |
USD874161S1 (en) | 2018-09-07 | 2020-02-04 | Simplehuman, Llc | Vanity mirror |
US10869537B2 (en) | 2017-03-17 | 2020-12-22 | Simplehuman, Llc | Vanity mirror |
US11026497B2 (en) | 2018-02-14 | 2021-06-08 | Simplehuman, Llc | Compact mirror |
USD925928S1 (en) | 2019-03-01 | 2021-07-27 | Simplehuman, Llc | Vanity mirror |
USD927863S1 (en) | 2019-05-02 | 2021-08-17 | Simplehuman, Llc | Vanity mirror cover |
US11112083B2 (en) | 2013-03-15 | 2021-09-07 | Ideal Industries Lighting Llc | Optic member for an LED light fixture |
US11640042B2 (en) | 2019-03-01 | 2023-05-02 | Simplehuman, Llc | Vanity mirror |
US11708031B2 (en) | 2018-03-22 | 2023-07-25 | Simplehuman, Llc | Voice-activated vanity mirror |
US11719882B2 (en) | 2016-05-06 | 2023-08-08 | Ideal Industries Lighting Llc | Waveguide-based light sources with dynamic beam shaping |
Families Citing this family (15)
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---|---|---|---|---|
UA74186C2 (en) * | 2000-05-19 | 2005-11-15 | Лусайт Інтернешнл Юк Лімітед | Illumination device with accent lighting through the rib |
TWI242487B (en) * | 2001-02-06 | 2005-11-01 | Coretronic Corp | Plate-shaped optical device and manufacturing method thereof |
JP4807814B2 (en) * | 2001-07-19 | 2011-11-02 | 三菱レイヨン株式会社 | Surface light source device and light guide used therefor |
KR100828520B1 (en) | 2001-11-23 | 2008-05-13 | 삼성전자주식회사 | Liquid crystal display module |
JP2007047545A (en) | 2005-08-11 | 2007-02-22 | Omron Corp | Liquid crystal display device, surface light source device, and information equipment |
CN100412651C (en) * | 2005-09-21 | 2008-08-20 | 财团法人工业技术研究院 | Plane light-source module |
JP2008159274A (en) * | 2006-12-20 | 2008-07-10 | Seiko Epson Corp | Light guide plate, light guide plate molding die, method of manufacturing light guide plate molding die, and method of manufacturing light guide plate |
JP2010067568A (en) * | 2008-09-12 | 2010-03-25 | Fujifilm Corp | Light guide plate |
JP2010205504A (en) * | 2009-03-02 | 2010-09-16 | Hitachi Ltd | Backlight device and image display device using the same |
WO2011033424A1 (en) * | 2009-09-21 | 2011-03-24 | Koninklijke Philips Electronics N.V. | Light emitting device comprising a light guide plate with reflective shielding with glare reduction |
TWI408046B (en) * | 2010-12-28 | 2013-09-11 | Au Optronics Corp | Backlight module, light guiding devices, and method for manufacturing light guide plate |
KR101872348B1 (en) * | 2011-06-22 | 2018-06-29 | 삼성디스플레이 주식회사 | Light guide plate for backlight unit and manufacturing method thereof |
JP6208953B2 (en) * | 2013-02-25 | 2017-10-04 | 恵和株式会社 | Light guide film, ultra-thin LCD backlight unit and portable computer |
CN109991693A (en) * | 2017-12-29 | 2019-07-09 | 深圳市聚飞光学材料有限公司 | Blast film manufacturing method, backlight module, flat-panel monitor and electronic device |
CN111443410A (en) * | 2019-05-24 | 2020-07-24 | 宁波激智科技股份有限公司 | Sensor dimming layer and preparation method thereof |
Citations (9)
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US4519686A (en) * | 1982-05-27 | 1985-05-28 | Nippon Kogaku K.K. | Focusing screen of a camera |
US5408388A (en) * | 1992-01-24 | 1995-04-18 | Stanley Electric Co., Ltd. | Planar illuminating device |
US5771328A (en) * | 1995-03-03 | 1998-06-23 | Minnesota Mining And Manufacturing Company | Light directing film having variable height structured surface and light directing article constructed therefrom |
US5856855A (en) * | 1995-08-23 | 1999-01-05 | U.S. Philips Corporation | Edge-lit illumination system containing cholesteric polarizer and diffuser behind waveguide |
US5863113A (en) * | 1993-06-22 | 1999-01-26 | Mitsubishi Rayon Co., Ltd. | Plane light source unit |
US5886759A (en) * | 1995-03-06 | 1999-03-23 | Hitachi, Ltd. | Liquid crystal display device having a side edge type back light system with a hue layer in the vicinity of the light source |
US5887964A (en) * | 1995-08-01 | 1999-03-30 | Nitto Jushi Kogyo Kabushiki Kaisha | Surface light source device and liquid crystal display |
US6027221A (en) * | 1996-08-05 | 2000-02-22 | Enplas Corporation | Surface light source device of side light type and mold for light guide plate employed in the device |
US6339458B1 (en) * | 1999-09-10 | 2002-01-15 | Enplas Corporation | Light guide plate, surface light source device of side light type and liquid crystal display |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3356458B2 (en) * | 1992-04-24 | 2002-12-16 | 株式会社東芝 | Flat light source device |
JPH0627329A (en) * | 1992-07-07 | 1994-02-04 | Daimon Seisakusho:Kk | Light conductive plate for surface light source |
JPH07333442A (en) * | 1994-06-06 | 1995-12-22 | Fujitsu Kasei Kk | Edge type back light unit |
JP3359814B2 (en) * | 1996-03-29 | 2002-12-24 | 株式会社エンプラス | Light guide plate and side light type surface light source device |
JP3442588B2 (en) * | 1996-10-01 | 2003-09-02 | 三菱化学株式会社 | Surface light source device |
JPH11142843A (en) * | 1997-11-05 | 1999-05-28 | Toshiba Chem Corp | Back light device |
KR100303240B1 (en) * | 1999-02-08 | 2001-09-26 | 박기점 | Prism Light Guide Panel for LCD Back Light Using Total Reflection Layer and Patterns |
-
1998
- 1998-06-12 JP JP16449398A patent/JP3521058B2/en not_active Expired - Fee Related
-
1999
- 1999-06-05 TW TW088109347A patent/TW432230B/en not_active IP Right Cessation
- 1999-06-10 KR KR1019990021599A patent/KR100495898B1/en active IP Right Grant
- 1999-06-11 US US09/330,016 patent/US7626655B2/en not_active Expired - Fee Related
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4519686A (en) * | 1982-05-27 | 1985-05-28 | Nippon Kogaku K.K. | Focusing screen of a camera |
US5408388A (en) * | 1992-01-24 | 1995-04-18 | Stanley Electric Co., Ltd. | Planar illuminating device |
US5863113A (en) * | 1993-06-22 | 1999-01-26 | Mitsubishi Rayon Co., Ltd. | Plane light source unit |
US5771328A (en) * | 1995-03-03 | 1998-06-23 | Minnesota Mining And Manufacturing Company | Light directing film having variable height structured surface and light directing article constructed therefrom |
US5886759A (en) * | 1995-03-06 | 1999-03-23 | Hitachi, Ltd. | Liquid crystal display device having a side edge type back light system with a hue layer in the vicinity of the light source |
US5887964A (en) * | 1995-08-01 | 1999-03-30 | Nitto Jushi Kogyo Kabushiki Kaisha | Surface light source device and liquid crystal display |
US5856855A (en) * | 1995-08-23 | 1999-01-05 | U.S. Philips Corporation | Edge-lit illumination system containing cholesteric polarizer and diffuser behind waveguide |
US6027221A (en) * | 1996-08-05 | 2000-02-22 | Enplas Corporation | Surface light source device of side light type and mold for light guide plate employed in the device |
US6339458B1 (en) * | 1999-09-10 | 2002-01-15 | Enplas Corporation | Light guide plate, surface light source device of side light type and liquid crystal display |
Cited By (55)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110085108A1 (en) * | 2008-06-09 | 2011-04-14 | Lms Co., Ltd | Optical device, and backlight unit and liquid crystal display including the same |
US9897306B2 (en) * | 2012-03-08 | 2018-02-20 | Simplehuman, Llc | Vanity mirror |
US20130235610A1 (en) * | 2012-03-08 | 2013-09-12 | Simplehuman, Llc | Vanity mirror |
US10746394B2 (en) | 2012-03-08 | 2020-08-18 | Simplehuman, Llc | Vanity mirror |
US11371692B2 (en) | 2012-03-08 | 2022-06-28 | Simplehuman, Llc | Vanity mirror |
US11566784B2 (en) | 2012-03-08 | 2023-01-31 | Simplehuman, Llc | Vanity mirror |
USD1009485S1 (en) | 2012-03-08 | 2024-01-02 | Simplehuman, Llc | Vanity mirror |
US11859807B2 (en) | 2012-03-08 | 2024-01-02 | Simplehuman, Llc | Vanity mirror |
US9581751B2 (en) | 2013-01-30 | 2017-02-28 | Cree, Inc. | Optical waveguide and lamp including same |
US9442243B2 (en) | 2013-01-30 | 2016-09-13 | Cree, Inc. | Waveguide bodies including redirection features and methods of producing same |
US9291320B2 (en) | 2013-01-30 | 2016-03-22 | Cree, Inc. | Consolidated troffer |
US9366396B2 (en) | 2013-01-30 | 2016-06-14 | Cree, Inc. | Optical waveguide and lamp including same |
US10436969B2 (en) | 2013-01-30 | 2019-10-08 | Ideal Industries Lighting Llc | Optical waveguide and luminaire incorporating same |
US9690029B2 (en) | 2013-01-30 | 2017-06-27 | Cree, Inc. | Optical waveguides and luminaires incorporating same |
US11644157B2 (en) | 2013-01-30 | 2023-05-09 | Ideal Industries Lighting Llc | Luminaires using waveguide bodies and optical elements |
US9823408B2 (en) | 2013-01-30 | 2017-11-21 | Cree, Inc. | Optical waveguide and luminaire incorporating same |
US9869432B2 (en) | 2013-01-30 | 2018-01-16 | Cree, Inc. | Luminaires using waveguide bodies and optical elements |
US9519095B2 (en) | 2013-01-30 | 2016-12-13 | Cree, Inc. | Optical waveguides |
US9389367B2 (en) | 2013-01-30 | 2016-07-12 | Cree, Inc. | Optical waveguide and luminaire incorporating same |
US10168467B2 (en) | 2013-03-15 | 2019-01-01 | Cree, Inc. | Luminaires utilizing edge coupling |
US9645303B2 (en) | 2013-03-15 | 2017-05-09 | Cree, Inc. | Luminaires utilizing edge coupling |
US11112083B2 (en) | 2013-03-15 | 2021-09-07 | Ideal Industries Lighting Llc | Optic member for an LED light fixture |
US10209429B2 (en) | 2013-03-15 | 2019-02-19 | Cree, Inc. | Luminaire with selectable luminous intensity pattern |
US9920901B2 (en) | 2013-03-15 | 2018-03-20 | Cree, Inc. | LED lensing arrangement |
US9798072B2 (en) | 2013-03-15 | 2017-10-24 | Cree, Inc. | Optical element and method of forming an optical element |
US20140355302A1 (en) * | 2013-03-15 | 2014-12-04 | Cree, Inc. | Outdoor and/or Enclosed Structure LED Luminaire for General Illumination Applications, Such as Parking Lots and Structures |
US10379278B2 (en) * | 2013-03-15 | 2019-08-13 | Ideal Industries Lighting Llc | Outdoor and/or enclosed structure LED luminaire outdoor and/or enclosed structure LED luminaire having outward illumination |
US9366799B2 (en) | 2013-03-15 | 2016-06-14 | Cree, Inc. | Optical waveguide bodies and luminaires utilizing same |
US9625638B2 (en) | 2013-03-15 | 2017-04-18 | Cree, Inc. | Optical waveguide body |
US10436970B2 (en) | 2013-03-15 | 2019-10-08 | Ideal Industries Lighting Llc | Shaped optical waveguide bodies |
US10502899B2 (en) * | 2013-03-15 | 2019-12-10 | Ideal Industries Lighting Llc | Outdoor and/or enclosed structure LED luminaire |
USD785345S1 (en) | 2015-03-06 | 2017-05-02 | Simplehuman, Llc | Mirror |
US10076176B2 (en) | 2015-03-06 | 2018-09-18 | Simplehuman, Llc | Vanity mirror comprising light sources and methods of manufacture thereof |
US10702043B2 (en) | 2015-03-06 | 2020-07-07 | Simplehuman, Llc | Mirror system having a mirror, light source and software module or app that communicates instructions to adjust lighting based on a sensed condition |
US11622614B2 (en) | 2015-03-06 | 2023-04-11 | Simplehuman, Llc | Vanity mirror |
US11013307B2 (en) | 2015-03-06 | 2021-05-25 | Simplehuman, Llc | Mirror system with software module or app |
US10416377B2 (en) | 2016-05-06 | 2019-09-17 | Cree, Inc. | Luminaire with controllable light emission |
US10890714B2 (en) | 2016-05-06 | 2021-01-12 | Ideal Industries Lighting Llc | Waveguide-based light sources with dynamic beam shaping |
US11719882B2 (en) | 2016-05-06 | 2023-08-08 | Ideal Industries Lighting Llc | Waveguide-based light sources with dynamic beam shaping |
US10527785B2 (en) | 2016-05-06 | 2020-01-07 | Ideal Industries Lighting Llc | Waveguide-based light sources with dynamic beam shaping |
US11372156B2 (en) | 2016-05-06 | 2022-06-28 | Ideal Industries Lighting Llc | Waveguide-based light sources with dynamic beam shaping |
US10869537B2 (en) | 2017-03-17 | 2020-12-22 | Simplehuman, Llc | Vanity mirror |
USD816350S1 (en) | 2017-03-17 | 2018-05-01 | Simplehuman, Llc | Vanity mirror |
US11457721B2 (en) | 2017-03-17 | 2022-10-04 | Simplehuman, Llc | Vanity mirror |
USD845652S1 (en) | 2017-03-17 | 2019-04-16 | Simplehuman, Llc | Vanity mirror |
US11819107B2 (en) | 2017-03-17 | 2023-11-21 | Simplehuman, Llc | Vanity mirror |
USD848158S1 (en) | 2017-12-28 | 2019-05-14 | Simplehuman, Llc | Vanity mirror |
US11026497B2 (en) | 2018-02-14 | 2021-06-08 | Simplehuman, Llc | Compact mirror |
USD846288S1 (en) | 2018-03-08 | 2019-04-23 | Simplehuman, Llc | Vanity mirror |
US11708031B2 (en) | 2018-03-22 | 2023-07-25 | Simplehuman, Llc | Voice-activated vanity mirror |
USD874161S1 (en) | 2018-09-07 | 2020-02-04 | Simplehuman, Llc | Vanity mirror |
USD990174S1 (en) | 2019-03-01 | 2023-06-27 | Simplehuman, Llc | Vanity mirror |
US11640042B2 (en) | 2019-03-01 | 2023-05-02 | Simplehuman, Llc | Vanity mirror |
USD925928S1 (en) | 2019-03-01 | 2021-07-27 | Simplehuman, Llc | Vanity mirror |
USD927863S1 (en) | 2019-05-02 | 2021-08-17 | Simplehuman, Llc | Vanity mirror cover |
Also Published As
Publication number | Publication date |
---|---|
JP3521058B2 (en) | 2004-04-19 |
KR100495898B1 (en) | 2005-06-17 |
TW432230B (en) | 2001-05-01 |
US20030231265A1 (en) | 2003-12-18 |
KR20000006086A (en) | 2000-01-25 |
JPH11352312A (en) | 1999-12-24 |
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Legal Events
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Owner name: ENPLAS CORPORATION, JAPAN Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:YAMAZAKI, HIROSHI;OHKAWA, SHINGO;REEL/FRAME:010042/0159 Effective date: 19990521 Owner name: KOIKE, YASUHIRO, JAPAN Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:YAMAZAKI, HIROSHI;OHKAWA, SHINGO;REEL/FRAME:010042/0159 Effective date: 19990521 |
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